Open source hybrid-search projects

Lightning-fast search for your applications

Fast, scalable vector database for AI applications

XERJ is the new way for AI to search data. Its autoindex capability activates agents to know your data without the token waste of grep and sed. One command inde

AI-native vector database for intuitive applications

One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.

The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.

Enterprise workplace AI with data you own and control

Distributed vector search for AI-native applications

Full-text search API with real-time indexing and crawling

A multi-modal vector database that supports upserts and vector queries using unified SQL (MySQL-Compatible) on structured and unstructured data, while meeting t

中文优先的企业 RAG 知识库：可控解析、治理、切块、混合检索、重排、引用、图谱、评测与 Dify 接入。